https://www.pixiv.net/users/140821
https://www.pixiv.net/stacc/white_and_white_forever
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http://www.nicovideo.jp/watch/sm5347463/
http://www.nicovideo.jp/watch/sm5377165
http://www.nicovideo.jp/watch/sm7214048/
http://twitpic.com/photos/yumesuke12